Pressure Changes
 

Pressure Changes problem 14


On a warm day, a driver checks the air pressure in a car tyre. At night, the temperature drops and the air pressure in the tyre decreases. There are no air leaks in the tyre. Why does the pressure decrease?


  • The air molecules in the tyre move more slowly.

  • The volume of the air in the tyre decreases.

  • The volume of the air in the tyre increases.

  • The air molecules in the tyre stop moving.


 

main author and content editor: Daniel Owoyomi